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Finding the Fourth Proportional to 226,219.79, 339,371.40 and 74,425.41

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Solution

The fourth proportional to 226,219.79, 339,371.40 and 74,425.41 is: 111,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,219.79 : 339,371.40 = 74,425.41 : x
  2. Step 2: Convert to fraction form
    226,219.79/339,371.40 = 74,425.41/x
  3. Step 3: Cross multiply
    226,219.79x = 339,371.40 × 74,425.41
  4. Step 4: Simplify right side
    226,219.79x = 25,257,855,587.27
  5. Step 5: Solve for x
    x = 25,257,855,587.27/226,219.79
  6. Step 6: Final answer
    x = 111,651.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.